from tkinter import *

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 0, 30, 0, 30, 20, 0, 20]

root = Tk()
root.title("Ит марафон")
root.geometry('500x500')

canvas = Canvas(bg='white', width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

X = int(input())
Y = int(input())
N = int(input())


if N == 0 and X >= 0 and X <= 500 and Y >= 0 and Y <= 500:
    pass
else:
    if N>0 and 0 * N+X >= 0 and 0 * N+Y>=0 and 20 * N+X<=500 and 20 * N+Y<=500:
        pass
    else:
        if N<0 and 20 * N+X>=0 and 0 * N+Y<=0 and 0 * N+X>=500 and 0 * N+Y<=500:
            pass  
        else:
            print("Размер фигуры превышает максимальный размер поля")
            exit()

canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                      coords[2] *N+X, coords[3] *N+Y,
                      coords[4] *N+X, coords[5] *N+Y,
                      coords[6] *N+X, coords[7] *N+Y,
                      coords[8] *N+X, coords[9] *N+Y,
                      coords[10] *N+X, coords[11] *N+Y,
                      coords[12] *N+X, coords[13] *N+Y,
                      coords[14] *N+X, coords[15] *N+Y)

root.mainloop()